Bethesda and ZeniMax have announced their first downloadable content expansion for 'The Elder Scrolls Online: Tamriel Unlimited; .

The expansion is called Imperial City, and it will be available for PlayStation 4 users on September 16.

Those players who own an Xbox One will receive access to the content on September 15, and those with a PC or a Mac will have access even earlier, on August 31.

Those with an active ESO plus membership will receive the downloadable content expansion for free, and others can buy it through the ESOTU Crown Store for 2,500 crowns.

The new pack is said to have hours of extra gameplay, which will include new areas, quests, enemies, and more.

The plot of the game focuses on Imperial City, which is the center of the Cyrodiilic Empire, falling to the attacks of Daedric Prince, Molag Bal. All three alliances are forced to fight against each other an the Daedric forces.

'Imperial City'is expected to have a two part launch.

All content will be available to players on level ten and up, and there will be a new Pvp/PvE space, which will include the six Imperial City Districts.

There will also be twenty three new Veteran Rank sets with16 items each, which will only be available in Imperial City, as well as new collectibles including pets, polymorphs and one costume.

Alongside the 'Imperial City' downloadable content pack game launch, those players who own 'The Elder Scrolls Online: Tamriel Unlimited 'will get the base game patch for free.

The patch has hundreds of fixes and improvements to the current game systems and content, such as dungeons, skill lines and quests.